Daniel a



(No Model.)

D. A. WO'ODBURY.

METHOD OF FASTENING SOFT METAL WEARING SURFACES IN JOURNAL BOXES.

No. 337,468. v Patented Mar. 9, 1886.

FW.Z.

UNiTEn STATE PATENT rrrcn.

DANIEL A. \VOODBURY, OF ROCHESTER, NEWV YORK.

METHOD OF FASTENING SOFT-METAL WEARING-SURFACES lN JOURNAL-BOXES.

SPECIFICATION forming part of Letters Patent No. 337,468, dated March 9.1886.

Application filed April 2, 1885. Serial No. 161,074. (No model.)

To all whom it may concern.-

Be it known that I,DAN1EL A. WOODBURY, a citizen of the United States,residing in the city of Rochester, in the county of Monroe and State ofNew York, have invented a new and useful Method of Fastening Soft orBabbitt Metal Wearing Surfaces in Journal- Boxes, and for other SimilarPurposes, of which the following is a specification.

It has been usual heretofore to cast such metal in place, eitherinclosed Within walls or I drawings, in which Figure 1 is an inside Viewof ahalf-box with the lining in place and secured. Fig. 2 is an end viewof the same; Fig. 3, a transverse section through a stationary inclinedbox and the gate-block through which the metal to form the anchor isrun; Fig. 4, a side elevation of the gate-block. Fig. 5 showsmodifications in the mode of holding the anchors to the box. Figs. 6 and7 show applications of my invention to the linings of different forms ofconnecting-rod butts.

The box A and its mate are bored out to the proper size and providedwith suitable cavities or openings to receive the anchors or plugs O.The lining B is prepared by making a suitable casting and boring andturning it to fit, or by casting it in molds adapted to give it theexact form and dimensions required, or, what is better still, by firstcasting the metal into nearly the size and shape and then forcing itinto exact dimensions by heavy pressure, thereby condensing andsolidifying the metal; or it may be fitted in any other suitable way.The opening to receive the anchor may be formed in the mold or drilledafter the lining is shaped. It is not necessary that these openingsconform exactly in either size or position to the cavities in the box,but they ought not to vary much there= from. The lining is placed inposition in the box and the gate-block D so placed that one of the gatesat will receive the metal from a ladle and discharge it into the openingto be filled, as shown in Fig. 3. The metal used need not be the same asthe lining; but an al- 10y is best that is strong and tough and will notshrink in cooling. Should the anchor shrink, however, it can be readilytightened by riveting it down a little, or by expanding it to fill bydriving a small plug or some suitable pointed instrument into it.

The gate-block parts transversely through the center of the gates a a,to enable it to be removed before the sprue is broken off. A blockprovided with two gates in the forms shown will answer for fillingopenings in almost any position. In the absence of this block one may beimprovised out of a piece of sheet metal witha small hole in itbybending it to the proper circle.

To obtain a gate of the required form, a dam, such as plumbers use, maybe built upon the plate; or in the absence of anything better, one madeof wood willsuffice. The block should fit the circle exactly and liesnugly in place. Then there will be only the place where the sprue joinsto cut down to the surrounding surface. It covers so small a space thatif out below, so as not to bear at all, it will do no material harm.

In many cases it is better to make an open ing through and pour themetal from the outside, as shown in Figs. 6 and 7.

My invention is also applicable to all flat wearing-surfaces where softmetal is used.

I do not confine myself to any particular form of anchor, as a cavitymay be formed, and a screw, rivet, or something of a similar characterset into it with the head projecting to form the anchorage, as shown in0, Fig. 5;

i or a suitable cavity may be made for the metal with a screw reachinginto it from the outside, as shown in G or a screw or rivet head mayproject above the surface and be embedded in what is practically thelining itself, as shown in C, and in other ways.

It will be seen that this method gives the lining a smooth and solidbacking, and every time it is renewed it restores the wearing surface toits exact condition when everything was new obviating the necessity of arealignby casting metal anchorsinto suitable cavities ment of the shaftor other mechanism connector openings prepared for the purpose, sub- 10ed therewith. stant-ially as shown and set forth.

hat I claim as my invention and desire to T 5 secure by Letters Patent,is- 7 DANIEL \VOODBURX' The above-described method of fastening\Vitnesses: ready-made linings or Wearing-surfaces in HENRY B. HOWE,journal-boxes and for other similar purposes, A. M. BASSETT.

